All Items Tagged


Apr 10, 2015 08:45 AM ET // Becky Oskin, LiveScience
Death by acid was the fate of the sea monsters that perished in Earth's biggest mass extinction, some 251 million years ago.
Apr 11, 2014 03:40 PM ET // Tim Wall
Many animals and plants hold on to existence in fragments of their former homelands, surrounded by a flood of human farms and homes.
Nov 17, 2011 10:28 AM ET // Tim Wall
An asteroid impact crater in France is getting the honor of giving the "terrible lizards" their chance to take over the Triassic.
May 19, 2011 01:56 PM ET // Tim Wall
The latest work on frozen coral embryos and sperm will preserve staghorn coral from the Great Barrier Reef.
Dec 12, 2011 11:25 AM ET // Kieran Mulvaney
While the 'ice bears' will face some difficulties, the year 2112 may mark the final days for the animals. But, there is some reason to hope.
Dec 23, 2010 01:16 PM ET // Kieran Mulvaney
Last week yielded what appeared to be good news for polar bears.This week, not so much.
Aug 2, 2010 08:15 PM ET // Zahra Hirji
Using ancient plant ashes, scientists reconstructed a history of Earth's atmospheric oxygen levels over the last 400 million years, and laid to rest some lingering doubts about mass extinctions.
Apr 1, 2010 06:29 PM ET // Michael Reilly
If a new theory is right, pieces of a comet that struck Earth 13,000 years ago might be coming around for another pass.
+ Load More